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i) What is synaptonemal complex?
ii) Explain the significance of crossing over with diagram. In which phase of cell division this process takes place?
multicellular organisms have division of labour? explain
where do mitosis and meiosis occur in animal and plants?
what is a mesosome in prokaryotic cell? mention the function it performs.
Draw the diagram of all five sub stages of prophase 1 of meiosis 1 and explain them.....pls give me these diagrams as soon as possible.....
The significance of meiosis lies in
a) reduction of diploid no. of chromosomes to haploid
b) maintaing constancy in no. of diploid chromosomes during sexual reproduction
c) production of genetic variability in population of species
d) all of above
which one is correct?
what are sister and non sister chromatids???????
How many meiotic divisions are required to produce 1000 seeds(grain) of cyprus plant which is an expection to the division rule of ( n + n/4 ) ?
What will be the amount of dna in meiosis II products if meiocyte contains 30 Pg DNA in G1 phase?
why interphase called resting phase?
Why does multicellular organism require 2 types of celldivision?Which of the two produces greaternumber of cells?How many?
HOW MANY MEIOTIC DIVISIONS ARE REQUIRED TO FORM 200 POLLEN GRAINS?
what is the significance of mitosis and meiosis??
figure of different stages of meiosis
difference between sister and non-sister chromatids
what is centripetal and centrifugal manner?
At which stage of cell division the morphology of chromosomes can be distincly studied?
what is G0 phase of plant cell?
Give brief account of somatic cell division ?
why interphase is called resting phase of the cell?
what is the significance of mitosis and meiosis?
what is the difference b/w miosos and mitosis
Can you explain the full process of meiosis 1?
what is terminalization?
In ana phase chromosome contains
a) 1DNA molecule, b)3DNA molecule , c) 2 DNA molecule d) 4 DNA Molecule......which one is correct?
How the chromosome number is maintained in offspring?
Cells in G0 phase( quiescent phase) of cell cycle
a)exit cell cycle
b) suspend cell cycle
c) terminate cell cycle
are bivalent & tetrad the same thing?
Difference between chromosomes and chromatin?
You have studied
plants dont have centrioles, so how are the spindle fibres formed for cell division? how can it divide without centriole? n if it can , why do animals need the centriole? What is its main function? arent spindle fibres formed by centriole? if nt then wer r they formed?
what is anastral mitosis?
Have centriole of ana phase of meiosis 1 aster rays? pls ans. quickly.....please...
q.1what is the role of chromosomes in inheritance?
q2 what is genetic recombination?
q3 what is genetic mapping?
q4 what is diffrance between mitosis and meiosis?
q5 what is cell cycle and what's the function of cell cycle? please answer me as soon as it 's possible
The no. of chromatids in a chromosome at ana phase is
a)2 in mitosis1in meiosis
b)1 in mitosis2 in meiosis
c) 2 each in mitosis meiosis
d)2 in mitosis 4 in meiosis
the main differences between mitosis and meiosis.
diferentiate between metaphase of mitosis metaphase 1 of meiosis?
Resting Phase is the most active phase of cell cycle. Justify this statement!
Mitosis and Meiosis take place respectively in
c) permanent tissue secretory tissue
d) secretory tissue permanent tissue. which one is correct?
what will be the total number of mitotic divisions in the formation of 64 daughter cells
how many meiotic divisions are necessary for the formation of 100 grains?? ans-125....please explain how??
what's synapse?with the help of diagram explain reflex action on knee jerk?
What is chiasmata? State its significance.
What is DNA replication?
which structure of animal cell forms the asters of spindle?
Describe the events taking place in eukaryotic cell division.
name the cells in which meiosis occurs?(1 mark)
cell division includes karyokinesis and cytokinesis. at what phase does the cytokinesis process BEGIN.?is it at the end of telophase, starting of telophase, end of prophase or starting of prophase?
In which phase proteins for spindle fiber formation are synthesised? a) G1 b) G2
synapsis (b) bivalent (c) chiasmata
a diagram to illustrate your answer.
what is the difference between cell cycle and cell division.
what is hemozygous?
what is chiasmata?? plz explain in simple words
why some of the videos are not working?
Which plant material is suited for studying mitosis?
The point at which polytene chromosomes appear to be attached together is called what? n why?
How many meiotic division will be necessary to produce two hundred pollen grains?
a)50 b)100 c)199 d)150
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